. >>> when we come back, the vice president joe biden takes the world stage on a critical trip overseas. will he deliver for the white house? >>> and a prominent republican senator charges the obama administration has quote, taken lying to a new level. did his comments go too far? stay with us. you're in "the situation room." at verizon. let's go... let's go... let's go... let's go! make it your first stop for the gifts everybody wants. let's go! move it, move it, move it! verizon cyber monday is here. get the samsung galaxy note ii for just $49.99. with features like pop-up play. lets you use any app while watching video. or use the s pen for hand-written notes. hurry in or shop online. sale ends monday night. getting our best cyber monday savings. that's powerful. verizon. >>> the vice president joe biden in asia with stops in japan, china and south korea, all on his itinerary. but the trip comes at a very, very sensitive moment. let's talk about that and more with our chief political analyst, gloria borger and our cnn political commentator, david frum. this is a very sensitive time.